# SDR ASAA2018120627238

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2018
- Submitted: December 7, 2018
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 37,879 hours, 11,281 cycles
- System (JASC): [7312 · Fuel Heater](https://openairdocs.org/jasc/7312)
- Part: Heater
- Part number: 457311382
- Part serial: YB004569F
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 5,998 hours, 1,822 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018120627238

## Discrepancy

WHILE ACCOMPLISHING T/C N8473001 HUM INSTALLATION, FOUND NR 2 ENGINE HEATER, SERVO FUEL EVIDENCE OF LEAK. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE SERVO FUEL HEATER REF AMM 73-11-07.

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